Ethyl 2-amino-4-(difluoromethyl)-6-(trifluoromethyl)pyridine-3-carboxylate
2-Bromo-5-chloro-4-cyano-3-(difluoromethyl)pyridine
Ethyl 2-amino-3-(difluoromethyl)-6-(trifluoromethyl)pyridine-4-carboxylate
6-Bromo-4-chloro-2-cyano-3-(difluoromethyl)pyridine